S
M
T
W
T
F
S
30
72°
42°
1
62°
42°
2
58°
49°
3
51°
33°
4
52°
30°
5
54°
30°
6
62°
37°
7
68°
37°
8
60°
39°
9
59°
38°
10
65°
38°
11
63°
49°
12
53°
46°
13
49°
38°
14
47°
31°
15
55°
29°
16
64°
29°
17
55°
39°
18
59°
36°
19
70°
40°
20
65°
49°
21
51°
38°
22
54°
36°
23
62°
36°
24
49°
45°
25
48°
34°
26
45°
33°
27
54°
32°
28
58°
31°
29
61°
31°
30
54°
39°
31
52°
42°
1
43°
33°
2
40°
29°
3
46°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Shanghai
Shanghai's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Shanghai. See also: January | February | March.
